Year	% of relevant age group
1987	42.5049209594727
1988	43.0002212524414
1989	43.2023506164551
1990	43.3231010437012
1991	43.9943084716797
1992	45.2338600158691
1993	46.011589050293
1994	46.0637702941895
1995	46.8553199768066
1996	47.7663688659668
1997	49.3501091003418
1998	50.630199432373
1999	52.3709983825684
2000	54.1569595336914
2001	56.3866310119629
2002	58.9202194213867
2003	61.2254600524902
2004	62.807559967041
2005	64.4985809326172
2006	64.4759826660156
2007	65.9932403564453
2008	66.8902130126953
2009	68.0453796386719
2010	69.3555068969727
2011	70.7773666381836
2012	71.690559387207
2013	71.7622833251953
2014	71.8651504516602
2015	71.9852905273438
2016	72.8330001831055
2017	72.446418762207
2018	72.3664474487305
2019	73.0711212158203
2020	74.5131530761719
2021	74.8520431518555
2022	74.648551940918